n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 11 |
3 | 66 |
4 | 485 |
5 | 3842 |
6 | 32712 |
7 | 291568 |
8 | 2697610 |
9 | 25679316 |
10 | 250190125 |
11 | 2484270622 |
12 | 25062816127 |
13 | 256275246582 |
14 | 2650947762450 |
15 | 27697861115740 |
16 | 291943603838698 |
17 | 3101066786857876 |
18 | 33167191013319532 |
19 | 356924515784037128 |
20 | 3862299973917286526 |
21 | 42003704374124712172 |
[1,2,11,66,485,3842,32712,291568,2697610,25679316, 250190125,2484270622,25062816127,256275246582, 2650947762450,27697861115740,291943603838698, 3101066786857876,33167191013319532, 356924515784037128,3862299973917286526, 42003704374124712172] |